diff options
Diffstat (limited to '2950_kbuild-CRC32-1MB-dict-xz-modules.patch')
| -rw-r--r-- | 2950_kbuild-CRC32-1MB-dict-xz-modules.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/2950_kbuild-CRC32-1MB-dict-xz-modules.patch b/2950_kbuild-CRC32-1MB-dict-xz-modules.patch new file mode 100644 index 00000000..32090343 --- /dev/null +++ b/2950_kbuild-CRC32-1MB-dict-xz-modules.patch @@ -0,0 +1,38 @@ +From fbf5892df21a8ccfcb2fda0fd65bc3169c89ed28 Mon Sep 17 00:00:00 2001 +From: Martin Nybo Andersen <tweek@tweek.dk> +Date: Fri, 15 Sep 2023 12:15:39 +0200 +Subject: kbuild: Use CRC32 and a 1MiB dictionary for XZ compressed modules + +Kmod is now (since kmod commit 09c9f8c5df04 ("libkmod: Use kernel +decompression when available")) using the kernel decompressor, when +loading compressed modules. + +However, the kernel XZ decompressor is XZ Embedded, which doesn't +handle CRC64 and dictionaries larger than 1MiB. + +Use CRC32 and 1MiB dictionary when XZ compressing and installing +kernel modules. + +Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050582 +Signed-off-by: Martin Nybo Andersen <tweek@tweek.dk> +Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> +--- + scripts/Makefile.modinst | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst +index 346f5ec506823..0afd75472679f 100644 +--- a/scripts/Makefile.modinst ++++ b/scripts/Makefile.modinst +@@ -144,7 +144,7 @@ endif + quiet_cmd_gzip = GZIP $@ + cmd_gzip = $(KGZIP) -n -f $< + quiet_cmd_xz = XZ $@ +- cmd_xz = $(XZ) --lzma2=dict=2MiB -f $< ++ cmd_xz = $(XZ) --check=crc32 --lzma2=dict=1MiB -f $< + quiet_cmd_zstd = ZSTD $@ + cmd_zstd = $(ZSTD) -T0 --rm -f -q $< + +-- +cgit + |